[Koha] keywords to marc mapping

[Owen Leonard]

> If I can recall, it's only used for subtitle.

That's right, but it can be used to build a custom set of subfields
which are included under the umbrella term "subtitle." We add 245b,
245n, 245p, and 245h.

> XSLT is definitely a
> solution, especially since non-xslt views are deprecated.

Non-XSLT views are deprecated for detail pages and search results
pages, but we have many places where titles are displayed in other
contexts which have no XSLT handling. Replacing the keyword to MARC
mapping system wouldn't be trivial.

 -- Owen

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Athens County Public Libraries
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